Sa z513 z513k eng 96

I,

SERVICE MANUAL FOR LABORATORY CENTRIFUGES Z513/Z513K

Hermte Labortechnik GmbH Gosheimer Strai3e 56 D 78564 Wehingen -

Telefon: (07426’ 96-2255 Telefax: (07426) 96-2249 )

flE

Instruction manual

1

Technical Data

2

Service instructions

3

Wiring diagram

4

Error messages

5

Spare part list

6

Informations

7

TechnicI

Z513

clatas

Chapter 2

Content

Chapter

Acceeration and deceeraton curves

21

Lowest temperature for the Z 513 K

22

mb&ance switch off dates

23

7513K Sep 96bd

Chapter 2.1

AcĂŤleraon and deceleration times

Z 513 ; 230 V

Rotor

Acceleration time in sec.

Deceleration brake intensity

Deceleration brake intensity 1?9TT

220.70 V05

60

254 sec.

81 sec.

220.70 V06

99

731 sec.

180 sec.

220.70 V07

59

294 sec.

134 sec.

220.80 V02

51

772 sec.

169 sec.

220.76 V03

51

753 sec.

169 sec.

220.78 V03

58

739 sec.

237 sec.

220.41 V03

17

91 sec.

17 sec.

Z513/Z513 K Sep. 96/bd

r22

Rotor No,

speed in rpm

Lowest sampe 8 C

22070 V06

5000

22070 V05

3600

22029 V03

3200

220.41 V03

2000

-5 C

22078 V02

15000

+5°C

220.80 V02

15000

+

220.76 V02

15000

+0°C

+

+10 C -

5° C

2°C

Ambient temperature: +25° C The absolute end temperatures can be subject to flucations of ± 2 C due to power tolerances of the refrigeration unit.

The lowest sample temperature are depending on the ambient temperature.

If the ambient temperature is increasing, the lowest sample temperature that can be reached, is increasing as well.

7513 Z513K Sep. 96bd

Chapter 23

Imbalance cut off datas

Z 513 Rotor No.

Cutoff speed

in rpm

Aflowed imbalance

Cutoff imbalance

n grams

in grams

220.70 V06

2000

13

15

220.70 V05

1960

15

16

220.29 V03

1960

14

16

220.41 V03

1930

15

17

220.78 V02

1900

49

51

220.80 V02 220.76 V02

1960

52

54

1980

58

60

Z513K Rotor No.

Cutoff speed in rpm

Allowed imbalance in grams

Cutoff imbalance in grams

220.70 V06

1920

13

15

220,70 V05

1950

16

220.29 V03 220.41 V03

1960 1930

220.78 V02

1920

14 14 15 35

37

220.80 V02

1900

38

40

220.76 V02

1920

42

44

Z 513 Z513 K Sep. ‘96,bd

16 17

serwee Instrncnons

Chapter 3

Content

Chapter

General technical InstructIons

3.1

Electric and electronical components

3.2

Self test program

3.3

ServIce tips for Z 513

3.4

Service tips for Z 513 K

3.5

Coiling system Z 513 K

3.6

7543 Z513K

Sep ‘9Pbd

hapter3

The Z 513 / Z 513 K is a microprocessor controlled laboratory centrifuge.

The actuation is a threephase asynchronous motor which is controlled by a frequency converter.

The unit has an independent diagnostic program which helps you with the trouble shooting by indicating the error number on the digital display.

The 12K / KBR is equipped with several safety facilities as imbalance recognition, overspeed protection and overtemperature protection of the motor.

Pease foflow the be’ow mentioned safety nstructons for any kind of service:

The capacitor of the frequency converter can be under voltage, even if the unit is switched off.

-

-

-

Don’t leave units without supervision, where you have removed some parts of the housng and the unit is still connected to the main power.

Don’t bypass the lid safety contacts and never work with the lid open.

The VDE regulatons are valid for all electrical work that has to be done.

Z513 Z513K Sep 96bd

Z513

Electric and electronici components

Chapter 32

Content

Chapter

1.

Power board

32/1

2.

Contro board / Operationa contro

32l1

21

Adjustment of the operationa contro’

32I1

3.

Frequency converter

12/2

4.

Rotor identification and overspeed protection

32I2

5.

Speed signa

12/2

6.

Lid ock

12/2

7.

Imbaance recognition

3,2/2

Z513K Sep96bd

Electric and electronical components

Chapter 3211

1. Power board: The power board is serving the low voltage supply of the centrifuge control system.

All fine wire fuses for the different distribution voltages are placed on the power board (see chapter 4, layout of the HE 121.00.03).

The power board is electrically isolated and has an electrical strength of 4 KV. It is also the central switching point for all inputs and outputs.

The signal line of the microprocessor controller is consisting of a flat belt cable, All plug connections are placed in such a way that they cannot be accidentally misconnected.

2. Front panel (Operational control):

On the front panel the CPU and the EPROM for the centirfuge software is located. The front panel controls the hole centrifuge. If there is a defect please exchange the complete panel, not only the prinited crcut board.

The signal line, the power supply lines and the temperature signal line are leaded to the control board (no confusion possible).

The safety facilities are additionally safeguarded by a hardware circuit on the power board.

If a mistake should occur you can see the error message on the digital display of the front panel.

2.1 Adjustment of the front panel The front panel can be used in different units, therefore it must be programmed to the modeI where it is used. See chapter 3.3/6 in the self test program.

Attention: If you have to replace the front panel you have to make sure that the panel is programmed correctly.

3 7513 KSp96bd 1 Z5

E1etri and electronleal components

Chapter 32I2

3. Frequency converter: The frequency converter generates the drive signals for the asynchronous motor.

The converter leads the current, which is generated by the motor during deceleration, to a heating resistor to reduce the current.

The frequency converter is connected with the power board by a senal interface.

On the converter is a green LED which lights when the frequency converter is working correctly. A defect of the converter will be indicated as an error no. on the digital speed display (see chapter 5 “Error messages�), and the green LED will not light.

4. Rotor identification and overspeed protection: The centrifuge always recognizes the inserted rotor by a Hall-effect sensor.

All rotors are equipped with a coded indicator ring (magnet-ring).

The hall-effect sensor takes signals of the magnets and is passing them on to the processor. If the preset speed is higher than the max. allowed speed of the inserted rotor, the actual speed indication is flashing now during acceleration, beginning at approx. 200 rpm.

But the CPU accelerates the rotor only up to the max. allowed speed of the rotor.

During acceleration the speed of the rotor will also be observed by a hardware circuit which is integrated on the power board. Due to this double observation the motor can never run with a higher speed than allowed.

5. Speed signaL The actual speed will be measured by a Hall Sensor which is placed on the bottom side of the motor The signal will be transmitted by the power board to the control board and the converter.

Z513

Z 513 K Sep. 95 bd

C

Electric and electronlcel comporwnts

Chapter 3.213

1)

6. Lid lock: The Z 513 K series has a automatically lid lock. The lid lock doses the lid automatically by using a motor force. A small amount of pressure is enough to activate the locking system. It take approx. 6 sec. to dose the lid. By pressing the lid key the lock opens within 6 seconds.

For emergency lid release. follow the Instruction manual “ Emergency lid release”.

7. Imbalance recognItion: The Imbalance recognItion is effected by a micro switch which is controlling the oscillating motion of the motor. The unit will stop If the oscillating motions are too strong.

You have to follow the adjustment Instructions stated by the manufacturer.

Z513 Z51iK.’Sep. 96s’bd

Chapter 33

Self test program

Content

Chapter

1.

Activating of the self test program

13/1

2.

Keyboard test

13/1

3.

Indication test

13/2

4.

Input signal test

13/2

5.

Output signal test

13/5

6.

Indication of the software version

13/5

7.

Adjustment of the front panel

13/6

8.

Motor runin

13/6

9.

Elapsed time indicator

13/6

Z513 Z513K Sep 96bd

Chapter 3%3/1

$efl test program

‘

1.

Activating of the set test program

The self test program helps the service personnel to locate defects.

The program can be started as follows:

-

Open the centrifuge lid and switch off the main switch.

Press the keys “rpm/g-value” and time/radius” down together

-

and at the same time switch on the main switch.

Let go of keys “rpm/g-value” and “time/radius”,

Each digit of the display must now be a minus

2,

(-) symbol.

Keyboard test

With the keyboard test you can check the correct function of the foil keyboard.

Activate the self test program (as described under 1).

Press the key “rpm/g-value” to start the keyboard test. Then “1” appears on the digital display brake.

By pressing the other keys always a number appears which is assigned to the keys.

rpm/g-value quick timeradius up lid down store start precool stop

Number 1 2 3 4 5 6 7 8 9 Exit the keyboard test

If one of those numbers does not appear or if the keyboard test cant be started or ended. you have to replace the complete operational control.

Z513/Z513K Sep. 96bd

C

Stifteetprofln

Chapter 33/2

-

3.

IndicatIon test

Activate the self test program (as described under poInt 1).

The indication test can be activated by pressing key “radius/time”.

The digits 0- 9 appear (half a second timing pulse) on all digital indications. Also the LED’s of the keys, both minus (-) signs of the temperature display and the point between the digits of the “radius” adjust display are flashing (as well In half a second timing pulse).

With this test you can check If the displays are working properly.

Please watch carefully If all seven segments of each digital display are working correctly.

Leave the indication test with “stop”.

4.

Input signal test

Attention: During this self test It is possible that the motor is triggered uncontrolled by the converter. That means, that the motor could start tuming without pressing the “run’ button.

Please make sure that there Is nothing In the rotor chamber during the self test, except of the rotor.

Take care of your fingers I The Input signal test Is used to check the Input signals imbalance, lid lock. motor temperature, speed, rotor identification and the input signal of the Interface of the centrifuge control board.

ZC13 Z51KSep.96bd

I

Chapter 3I3

Self test program

Activate the self test program as described under point 1.

Press the key “lid” to activate the input signal test.

Then the letter “F” (standing for input) appears on the digital display for brake. The nputs will be indicated on the digital displays for rpm/g-value’ and time/radius. if there is a 1” on the indication (fixed or flashing) it means that there is a signal or that the contact is closed If there is a 0 it means that there is no signal.

rpm/g value

time mm

[1 I—

uu f)

g)

a)

Imbalance

e)

Rotor identification (low speed)

b)

Lid lock

f)

Rotor identification (high speed)

c)

not occupied

g)

Serial interface

d)

Speed identification

a)

mbaIance The display a has to be 0. If you press the imbalance switch (see chapter 3.4/9) the display changes to 1.

b)

Ld ock With the centrifuge lid open the display b is “0. If you close the lid the indication has to show ‘1.

Z513

Z513K Sep 9Pbd

sentastprogram

C)

Not occupied

d)

Speed Identification

Chapter 33/4

As long as the motor is out of action the indication “d” shows “0”.

If the motor Is turning the Indication changes to “1” Turn the motor by hand to check the sensor.

e,f)

Rotor Identification The rotor identification sensor consists of two hall-effect sensors.

Due to that the indicator rings have two different dIameters of code rings, but for each rotor only one of the rings are occupied (either Inner or outer ring).

Depending on the rotor (high or low speed) the Indication “e” or “f” shows a “1 ‘when the rotor Is turning.

Instead of using a rotor you can rub gently with a permanent magnet over the sensor. After doing that, the Indication “e” and “F’ also have to show “1”.

g)

Seilal interface For the Interface test the lid must be closed.

The display “g” has to show ‘1’.

This means that regarding the data flow between the operational control, the power board and the converter are o.k..

If the display shows ‘0”: Defect at one of the above mentioned electronicai components.

Defect at a flat Deft cable respectively directly at one of the interfaces.

-

-

Leave the Input test with “stop”.

Z513 Z513 K/Sep 96bd

Chapter a315

Self test program

5.

Output test

Activate the self test program (as described under point 1).

Press key quick’ to start the output test. Then A” appears on the display ‘brake”.

With this test you can check the function of certain outputs by pressing different keys.

Key

Function

quick

Starts the output test. The relay of the solenoid valve will be closed at the same time solenoid valve open.

-

rpm/g-value

time/radius

The frequency converter relay is switching. The green LED of the converter is lighting (for this function the centrifuge lid have to be closed).

Not occupied for these models.

lid

Opens the centrifuge lid lock.

start

The compressor relay s switching. Compressor s working.

stop

This allows you to exit the output test.

6.

ndication of software version

Activate the self test program (as described under point 1).

Press the key “start”. You can see the software version on the digital display “brake”.

Z513

Z13KS€p, 96bd

hapter33/6 7,

Adjustment of the operationa contro Activate the self test program (as described under point 1).

The operational control has to be adjusted according to the centrifuge type where it is going to be used. Press key store On speed/rcf indication appears the centrifuge type for whch the operational control is adjusted for. For this unit “513’ has to appear. You can select centrifuge types by pressing keys “up” and “down”.

Press key stop” to store your adjustment Now the operational control shows the adjusted voltage (115 V or 220 V). You can select the voltage as well by pressing keys “up” and “down”. Press key “stop” to store your adjustment. At the same time you leave the function “Adjustment of the operational control”.

8.

Motor runin By pressing the “Run” button for about 5 seconds you can invoke the program module “Motor run-in” For a periode of 1 minute, the motor gets accelerated to 10% of the max. speed of the insert rotor. After each further mnute the speed gets accelerated by 10 % until the max. speed s reached. In the time display the run-in time is indicated in minutes from 0 9.

-

Attention: The runin is neccessary when the motor is repaced with a new one. The runin is used to spread the grease in the bearing aB around the baN bearings. A starting of the centrifuge to max. speed without the motor runin can cause bearing damages at the new motor.

9.

E’apsed time indicator Activate the self test program (as described under point 1).

Press the key “up’. The attended time of the unt will be indicated on the actual dmplay. The attended hours appear on indication “speed/rcf’ and the minutes on indication ‘time/radius”.

2513/7513K Sep 96bd

C

Sendcelipsforzsl3

Chapter 3.4

Content

Chapter

1. ExchangIng of the operational control

3.4/1

2. Dismounting of the centrifuge housing

3.4/24

3. Exchanging of the rotor Identification sensor

3.4/4

4. Exchanging of the motor

3.4/5

5. Exchanging of the power board

3.4/6

6. Exchanging of the frequency converter

3.4/7

7. Adjustment of the imbaiance switch

3.4/9

After doing any kind of assembling work, please make sure that all the protection grounded contacts are connected correctiy.

Z513 Z513K ‘Sep.’96bd

D

I

Chapter 3A/1

SGrvice tips for Z 513

1, Exchanging of the operational control

—

-

Push the frame of the operational control approx. 2 mm up (see sketch 1).

Pull the lower part of the operatfonal control out of the housing as shown in sketch 1.

Tip it out of the front side sheet metal (see sketch 2).

Unplug all electrical connections.

Set in the new element n the front side sheet metal in reversed order.

Attention: Make sure that the adjustment of the operational control is correct (see chapter 3.316).

Sketch 1

7513’Z513K/Sep 96bd

Chapter 34I2

Service tips for Z 513

2, Dismounting of the centrifuge housing a)

Back side sheet metal Remove the screws 1 8 on the back side of the unit.

Take off the back side sheet metal.

Unplug the ground connection.

-

-

8

7 6

1

2

3

b)

4

Housing

Remove the operational control (point 1) and the back side sheet metal (point 2a).

Remove screws 1 10 around the lower edge of the centrifuge.

-

-

-

\

\u

/

.q)

i__i

-

1 3

Z53

Z513K Sep. 96od

/

4

6

1

-

10

-

p

Chapter 34/3

Service tips for 2 513

-

-

Remove the nuts 1 and 4.

Unplug the grounded wire of the housing.

Lift up the housing.

Reassemble the unit in the reversed order.

-1

L

C)

-

-

-

-

-

-

--

U 3

4

j

Lid

Remove the back side sheet metal (as described under point 2a).

Unlock the lid.

Remove the screws 1

-

16 of the hinges.

Pay attention to the fastening bar of the hinges at the inner side of the unit.

Now the lid can be removed completely.

Reasemble the lid in the reversed order.

J

Z 513

Z 513 K Sep. 96:bd

Chapter

Service tips for Z513

3. Exchanging of the rotor identification sensor Remove the operational control (point 1).

Remove the centrifuge housing (point 2a b).

Take off the motor protection cover (screws a to c).

Unplug the sensor cable at the power board.

-

Release the flat head screws 1 3 of the sensor flange.

Take the flange together with the sensor out of the unit.

Take care of the sensor cable Exchange the sensor with a new one.

Reassemble the unit in reversed order.

Z513

Z513KSep. 96bd

,

Srvice

Chapter 3 4/5

tips for Z51 3

4. Exchanging of the motor

-

-

-

-

Remove the operational control (as described under point 1) Remove the centrifuge housing (as described under point 2).

Remove the rotor sensor (as described under point 3).

Unplug the connection cables of the motor, you will find the location of the connectors n chapter 4.

Remove screws 1 4 of the motor mount.

Bind a pice of stnng to the conectors of the motor wires, this allows you to pull the wires of the new motor back through the holes in safty frame.

Lift the motor out of the unit.

Pay attention to the arrangement of the wiring when replacing the motor.

Reassemble the unit in reversed order.

1

3

2

4

I

Z 513 Z 513 K Sep 96 bd

R

Chapter

Service tips for Z 513

5. Exchanging of the power board

-

-

-

Z53

Remove the operational control (point 1).

Remove the centrifuge housing (point 2 a-b).

Unplug all cable connections of the power board.

Remove the screws 1 7.

Reassemble the unit in reversed order.

Z53 K Sep. 9bd

-

(rvietipsforZ513Ghapter34f7 6. Exchanging of the frequency converter

-

-

Unplug all cable connections of the frequency converter.

-

-

-

Remove the operational control (point 1).

Remove the centrifuge housing (point 2 a-b), Remove the screws 1 4 of the frequency converter and take it out of the unit.

Attention, before you place the new frequency converter, you have to apply heat conduction paste on the seating.

-

Reassemble the unit in reversed order.

2

I Z513

Z513K!Sep, 6bd

9. Adjustment of the imba’ance switch

-

-

-

-

-

-

Insert a rotor m the centrifuge.

Load one bore hole of the rotor with an imbalance switch off weight mentioned in the chart (see chapter 3319). If a microlitre rotor is placed in the centrifuge you have to insert several adjacent reaction tubes.

Start the centrifuge

the unit should switch off at the cut off speed mentioned in the chart (chapter 3.3/9) for the corresponding rotor.

If the unit is not switching off you have to release the fixing nut (1).

With the adjustment screw (2) you can adjust the imbalance switch off more sensitive (turn right).

You can reach the screws from the left side at the bottom of the unit.

If the unit is switching off, load the rotor with the allowed imbalance weight (see chapter 3.3/9).

Start the centrifuge the unit should not switch off again. If required. adjust the imbalance switch off with the adjustment screw (2) less sensitive.

If you have to readjust the imbalance switch for the test with the allowed imbalance. you have to repeat the procedure with the imbalance switch off weight.

-

-

/

-

0

2

Z513

Z512KSp.96bd

---

Chapter 34I9

Service tips for Z 513

Z 513 Rotor No.

Cutoff speed

in rpm

Allowed imbalance in grams

Cutoff imbalance in grams

220.70 V06

2000

13

15

220.70 V05

1960

15

16

220.29 V03

1960

14

16

22041 V03

1930

15

17

220.78 V02

1900

49

51

220.80 V02

1960

52

54

220.76 V02

1980

58

60

Z 513 / Z 513 K iSep. 96 bd

Content

Chapter

1. Exchanging of the operational control

3.4/1

2. Dismounting of the centrifuge housing

3.4/24

3. Exchanging of the rotor identification sensor

3.4/4

4. ExchangIng of the motor

3.4/5

5. Exchanging of the power board

3.4/6

6. Exchanging of the frequency converter

3.4/7

7. Adjustment of the imbalance swItch

3.4/9

After doing any kind of assembling work, piease make sure that an the protection grounded contacts are connected correctiy.

Service tips br Z 513 K

Chapter 35/1

1. Exchanging of the operatona contro

-

-

Push the frame of the operational control approx. 2 mm up (see sketch 1).

Pull the lower part of the operational control out of the housing as shown in sketch 1.

Tip it out of the front side sheet metal (see sketch 2).

Unplug all electrical connections.

-

Set in the new element in the front side sheet metal in reversed order.

Attention: Make sure that the adjustment of the operational control is correct (see chapter 33I6).

Z513

Z513KSep96bd

Chapter 3.5/2

Service tips for Z 513 K

2. Dismounting of the centrifuge housing a)

Back side sheet metal Remove the screws 1 1 0 on the back side of the unit.

Take off the back side sheet metal.

Unplug the ground connection.

-

-

10—

-6

1 3

b)

-

4

Housing Remove the operational control (point 1) and the back side sheet metal (point 2a).

Remove screws 1 10 around the lower edge of the centrifuge.

/

-

3

Z513/Z513KSep 9bbd

c

vicetpsforz5i3KChapter35I3

Remove the nuts 1 and 4.

Unplug the grounded wire of the housing.

Lift up the housing.

Reassemble the unit in the reversed order.

r

7uu

-i

L.. c)

Lid Remove the back side sheet metal (as described under point 2a).

Unlock the lid.

Remove the screws 1 16 of the hinges.

Pay attention to the fastening bar of the hinges at the inner side of the unit: Now the lid can be removed completely.

Reasemble the lid in the reversed order.

-

Z 513 / Z 513 K Sep. 96.bd

r

Chapter 3.5/4

Servie tips for Z 513 K

3. Exchanging of the rotor identification sensor

-

-

-

Remove the operational control (point 1).

Remove the centrifuge housing (point 2).

Take off the rubber motor protection cover.

Unplug the sensor cable at the power board.

Release the flat head screws (1 3) of the sensor flange.

Take the flange with the sensor out of the unit.

-

-

-

-

Exchange it with a new one.

Reassemble the unit in reversed order.

Attention: Continue to apply pressure to the outer edge of the cover until it snaps into the position and grips onto the lip of the steel chamber.

An airtight seal must be formed,

Z513

Z513KSep. ‘96bd

Chapter 35I5’

Service tips for Z 513 K

4. Exchanging of the motor

-

-

-

Remove the operational control (as described under point 1) Remove the centrifuge housing (as described under point 2 a).

Remove the rotor sensor (as described under point 3).

Unplug the connection cables of the motor, you will find the location of the connectors in chapter 4.

Remove screws 1 4 of the motor mount.

Bind a pice of string to the conectors of the motor wires, this allows you to pull the wires of the new motor back through the holes in safty frame.

Lift the motor out of the unit.

Pay attention to the arrangement of the wiring when replacing the motor.

Reassemble the unit in reversed order.

-

-

-

-

1

3 -

Z 513

Z 513 K’Sep. 96,bd

4

vietipstqrZ5i3KChapter35/6

5. Exchanging of the power board

-

-

-

Remove the operational control (point 1).

Remove the centrifuge housing (point 2 a-b).

Unplug all cable connections of the power board.

Remove the screws 1 7.

Reassemble the unit in reversed order, -

-I

Zfl3

Z513K’Sep. 96bd

C

Chapter

Service tips far Z 513 K

6. Exchanging of the frequency converter

-

-

Remove the operational control Remove the centrifuge housing Unplug all cable connections of Remove the screws 1 4 of the

(point 1). (point 2 a-b). the frequency converter. frequency converter and take it out of the unit.

Attention. before you place the new frequency converter, you have to apply heat conduction paste on the seating.

Reassemble the unit in reversed order.

-

—

-

2

Z 513

/

Z 513 K!S9p 96 bd

r

Chapter 3.5/8

Bervlcadpeforzslak -

9. AdJustment of the Imbalance switch -

-

-

-

-

-

Insert a rotor In the centnfuge.

Load one bore hole of the rotor with an Imbalance switch off weight mentioned In the chart (see chapter 3.4/9). If a microlitre rotor Is placed In the centrifuge you have to Insert several adjacent reaction tubes.

Start the centrifuge the unit should switch off at the cut off speed mentioned In the chart (chapter 3.4/9) for the corresponding rotor.

It the unit is not switching off you have to release the fixing nut (1).

With the adjustment screw (2) you can adjust the Imbalance switch off more sensitive (turn right).

You can reach the screws from the left side at the bottom of the unit If the unit Is switching off, load the rotor with the allowed Imbalance weight (see chapter 3.4/9).

Start the centrifuge the unit should not switch off again. if required, adjust the Imbalance switch off with the adjustment screw (2) less sensitive.

If you have to readjust the Imbalance switch for the test with the allowed imbalance, you have to repeat the procedure with the Imbalance switch off weight -

-

-

0

Z513 Z5ISKSep 96bd

a

Chapter 3%5/9

Service tips for Z 513 K

Z513K Rotor No.

Cutoff speed

in rpm

Cutoff imbalance

in grams

in grams

22070 VOG

1920

13

220.70 V05

1950

14

15 16

220.29 V03

1960

14

16

220.41 V03 220.78 V02

1930

15

17

1920

35

37

220.80 V02

1900

38

40

220.76 V02

1920

42

44

\

Z513

Allowed imbalance

Z513KJSep. 96bd

Refrigeration system Z 513 K

Chapter 36

Content

Z 513

Chapter

1.

Functional description of the refrigeration system

3.6/1

2.

Keyplan of the refrigeration system

3.6/2

3.

Emptying and filling with Freon

3.6/3

4.

Lowest temperatures (depending on the rotor)

3.6/5

Z 513 K Sep. 96bd

C

Refrigeration system Z 513 K

1.

Chapter 36hz

Functional description of the refrigeration system

The quantity of the coolant passed Into the evaporator Is controlled by a solenoid vaive and an expansIon valve. A detectIng element continuously measures the temperature at the evaporator output. This detecting element regulates the injection nozzle, because of this the evaporator gets always the neccessary quantity of coolant.

So you can reach the maximum capability of the refrigeration system at any operating status.

As soon as the required preset temperature is reached, the soienold valve interrups the cooiant drcult. The solenoid valve reopens the circuit as soon as the temperature rises and passes on coolant to the evaporator again.

The response time of the soienold valve is controlled by the CPU. From the temperature sensor. placed in the rotor chamber, the processor receives the information of the chamber temperature.

As the actual temperature of the samples is not necessarily the same as the chamber temperature, the microprocessor caicuiates the sample temperature for the respective rotor.

This value will be indicated on the digital temperature display. The temperature control of the microprocessor works according to the calculated value.

Therefore the user can seiect the required sample temperature (Âą it C). Samples cannot be damaged by discrepancies between chamber temperature and sample temperature.

Z 513.

Z 513 K.Sep. ‘96 bd

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Refrigeration system I2KBR

3.

Chapter 3.6/3]

EmptyIng and filling with coolant (R134a)

For doing this work you have to have the following equipment: Coolant suction Implement with collecting tank, vacuum pump, vacuum measuring instrument, quantity measuring system for the freon and a manometer combination.

a) -

-

-

-

-

-

b) -

-

-

-

-

-

-

Emptying of the refrigeration system Remove the housing parts until the refrigeration system Is self-contained (see chapter 3.5).

Connect the front panel back to the system, so that the unit can work without housing.

Connect the coolant suction implement with the valve (see sketch, chapter 3.6/4).

Start the self test program and choose test range 4 (output test) solenoid valve open.

Evacuate the coolant from the system.

Now you can carry out the necessary repair work on the refrigeration system.

-

Filling of the refrigeration system Connect the vacuum pump, the manometer combination and the coolant bottle (R 134) to the valve (1). (see sketch. chapter 3.614).

Start the seif test program and choose test range 4 (output test) solenoid valve open.

Evacuate the refrigeration system for approx. 30 mm..

Switch off the vacuum pump.

Make sure that the system remains in a state of vacuum. if not the system is leaking.

Fill up the system with 800 grams coolant R134a.

Check all tube connections very closely with a leak indicator.

Attention: Only use R134a.

Riling quantity must never exceed 850 g.

Z513 Z513K’Sep’961bd

-

R

Chapter 6I4

Røfrigeration system I 2KBfi

Sketch:

Compressor, FiWng vave 1

Fifing valve 1 (Schrader valve)

Sketch:

Manometer combinaflon, vacuum pump, cooant botfie

High pressure

Vacuum rneasunng mstru ment

High pressure Sight glass

Not applicable Connechon to the compressor

Z 513’ Z 513 K Sep 96 bd

Chapter 36I5

Lowest temperatures Z 513 K

Rotor No.

speed in rpm

Lowest sample

22070 V06

5000

220.70 V05

3600

220.29 V03

3200

220.41 V03

2000

220.78 V02

15000

+5C

220.80 V02

15000

+

2°C

220.76 V02

15000

+

0 C

+

8° C

+10 C -

-

5 C 5° C

Ambient temperature 23° C

The absolute end temperatures can be subject to fluctuations of ± 2° C of the cooling compressor due to output variations.

The lowest sample temperatures depends on the ambient temperature.

If the ambient temperature increases, the lowest sample temperature that can be reached, increases as well.

\_________

Z513

Z513 K/Sep

96:ba

Wiring

diagrams Z 513

Chapter 4

/ Z 513 K

Contents

Wiring Diagram

Z 513, 120 V

LS 0173

Plan of electric installation

Z 513, 120 V

LS 0174

Wiring Diagram

Z 513, 230 V

LS 0166

Plan of electric installation

Z 513, 230 V

LS 0167

Wiring Diagram

Z 513 K, 230 V

LS 0169

Plan of electric installation

Z 513 K, 230 V

LS 0170

Circuit diagram, power board

HE 121.00.03

Layout, power board

HE 121.00.03

Layout, control board 26KM

271.01.02.02

Layout, control board 26KMR

271.01.12.02

Z513 7513K Aug95 bd

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Error messages: Beasons / Actions

Chapter_D

PREFACE These error messages can help the service personnel to locate defects faster is they occur.

The diagnoses listed in this chapter are not necessarily accurate. They are theoretical defects that can occur and appropriate solutions. Please always make your own diagnosis with the help to the self test program Please always inform us about any type of defect you find and which is not mentioned in this chapter.

Only with your help we are able to improve and complete our service manual.

Thanks in advance for your help.

Hermle Labortechnik GmbH

Z 513 7 513 K /Sep 96â&#x20AC;&#x2122;bd

Error messages: Reasons / Actions

1.

Chapter 511

Description of the error message system

The error message wilt be indicated by a certain number on the digital speed display. At the same time â&#x20AC;&#x153;ERRORâ&#x20AC;? appears on the preset display.

Error Nr. 1

-

49 (Forced stop)

if one of the above errors occurs, the rotor wilt be braked from the preset speed to 0.

As soon as the rotor has stopped, the error message can be reset by opening and closing the centnfuge lid.

Error Nr. 50

99 (Emergency stop)

If this occurs. the frequency converter will be switched off and the rotor will be coast to a stop. The error message can only be reset by switching the main switch

off and on.

If the unit stops due to an error indication you should restart the unit to check if the error occurs again.

The error numbers which are not listed in this chapter are not in use at the time of publication and they are reserved for future use in broadening the error recognition prog ram.

Z513

Z513K Sep 96bd

D

F

Chapter 5/2

Error rnss: Rspis I Actions Error no: 1 r

Imbalance

son:

Incorrect loading of the rotor

Action:

Balance your samples

L

Reason:

-

Incorrect adjustment of the imbalance switch

b

Actiøn:

Readjust imbalance switch according to chapter 3

Error noW: 2

Permanent imbalance signal

Reason:

Parting at the imbalance signal cable parting_of

—

—

Reason:

——

—

Position of the imbalance switch not correct

Action:

F

the cable

imbalance switch

Reason:

Imbalance switch is defective

Action:

Replace the imbalanda switCh and readjuCt it

Error noW: 1 0

Overtemperature in the rotor chamber (more than 50°C)

Reason:

Failure of the refrigeration system

ActiQn:

Check the refrigeration system and repair it

Reason:

Temperature sensor defective

Action:

—

Replace temperature sensor

--

Error no: 11

Temperature sensor

Reason:

Short circuit at the temperature sensor

Action:

Replace temperature sensor

-

—I

7513

7513K/Sep96/bd

Error messages: Reasons / Actions

r

Chapter 5/3

Error no.: 20

No rotor identification

Reason:

No rotor inserted

Action:

Insert rotor into the unit

Reason:

Rotor identification sensor defective

Action:

Reglace identification sensor

Reason:

Inserted rotor has no indicator ring

Action:

Usea correct rotor

Reason:

Rotor is not seated on the motor shaft correctly

Action:

Reseat the rotor on the motor shaft

Error no.: 21

Start bit is missing

Reason:

A magnet of the indicator ring is missing

Action;

Exchange the inccator ring of the rotor

Error no.: 22

Rotor is not mentioned in the rotor chart

Reason:

Rotor is not authorized for this unit

Action:

Insert only rotors authorized for this unit

Error no.: 25

Power failure

Reason:

Power failure while rotor is in motion

Action:

Open and reclose the lid, restad the centrifuge

S

Z 513 Z 513 K ‘Sep 96’bd

—

—____

—

-________

C

Error messages: easons / Ations

Error no: 30

Radius correction

Reason:

Radius correction value too big

Chapter 514

Adjust the radius correction to the correct value

ctiop:

Error noW: 36

Relay for the frequency converter cannot be released

Reason:

Defect on the power board

tion:

Replace the power bOard

Error no: 40

Error EEROPM

Reason:

Serveral posibiities

Action:

Restart unit, if the failure occures again, replace the contrQl panel.

Error no: 41

Power failure EEPROM

Reason:

Serveral posibilities

Action

Restart unit, it the faure occures again, replace the control paneL

Error no: 50,51 Memory failure

Reason:

Internal or external memory failure

Action:

Restart the unit, if the faure occurs again, replace the control panel

Error no: 55

Overspeed

Reason:

Overspeed sensor or motor speed sensor defect -

Action:

Check the overspeed sensor or the motor speed sensor and replace if necessary I

5513

Z5l3KiSepS6/bd

F

Error rnessage: Reas I Actions

Reason:

Chapter 5/5

Control panel or power board defect

d

[

Error no: 60

Motor speed sensor signal is missing

Reason:

Motor speed sensor defective or parting of a cable at the sensor

Error no: 61

Speed signal without a turning of the rotor

Reason:

Speed sensor is broken

Error no: 70

Interface of the frequency converter

Reason

Communication of controller, power board interface cable and frequency converter is not working

Action:

Interface test Localization of the defective part by changing thø components

Reason:

Unpluged interface wire

Action:

Plug in the interface wire plugs correctly

Error no: 82/83 Cutoff power board Reason:

on:

7513

7513K Sep SSibd

frequency converter

Overcurrent, overvoltage or undervoltage due to power supply fluctuations

Restart the unit, take care that the power supply is stable

Chapter 5/6

Error messages: Reasons / Actions

Error no: 84

Motor temperature / Frequency converter temperature

Reason:

Defect at the motor (winding damage, bearing damage)

Reason:

Overtemperature switch in the motor is defective

J Reason:

Defect at the frequency converter

Reason:

Fan of the housing ventilation is defective, vent hole is covered, ambient temperature is too high

.

J

r

Error no: 90

Lid was open during run

Reason:

Lid lock switch is defective

Action.

Replace the lid lock

Reason:

Wire to the lid lock is broken

Error no: 94

Votage drop during operation

â&#x20AC;&#x201D;

Reason: Voltage drop of more than 10 Volt i

Lon:

Z513/Z513 K Sep 96/bd

Restart

The uit

rQ 0

LU

Art ice frequency converter, 230 V with 2 PCB

913.019

20-0238

power board for control panel with 1 PCB 120 V I 230 V

913.022

HE 134.10.03

151,00

control panel with 1 PCB

913.033

271.01.11.02

455,00

frequency converter, 230 V with 1 POE

913.034

20-0243

596,70

motor, 230 V / 120 V

923.007

274.08.40.02

393,80

housing (for hinge version)

933.031

277,01.13.00

340,70

lid complete (for hinge version)

933.032

277.01.21.01

269,30

fuse 16 AT, 230 V, 5 x 20 mm

940.025

25.0095

5,10

fuse holder 230 V

940.026

25.0096

16,40

808,90

cover for fuse holder

940.032

25.01 09

7,20

fan, 230 V

940.046

32.0033

54,10

micro switch imbalanceâ&#x20AC;?

940.069

38.0082

10,20

rocker switch powerâ&#x20AC;&#x2122; vertikal

940.086

38.0202

8,20

line filter, 230 V / 120 V

940.160

40-0111

87,80 31,70

temperature sensor for control panel with 2 POE (analog)

940.168

LK046

temperature sensor for control panel with 1 POE (digital) lid lock, motor-driven, 230 V for control panel with 2 PCB

940.179

LK1O7

940.185

250.05 VOl

286,70

lid lock, motor-driven, 230 V for control panel with 1 POE

940.187

250.05 V07

278,50

imbalance switch

940.190

274.01.02.04

29,60

rotor sensor

940.191

LK137

133,70

38,80

contactor

940.192

30-0137

95,90

speed sensor (brown housing)

940.199

32-0220

63,30

fuse set, 230 V (16 AT)

940.213

LK185

5,10

power connection with fuse holder, 230 V

940.217

LK128

73,50

imbalance switch, only conecting cable

940.220

LK157

20,40

magnet for speed sensor (without housing)

940.236

44-0047

28,60

potientiometer 10 K

940.245

940.245

micro switches set for motor driven lid lock

940.260

29,60 87,10

motor for lid lock 230V

940.261

motor for lid lock 120V

940.262

speed sensor (white housing)

940.263

8,20

87,10 940.263

magnet for speed sensor (with housing)

940.264

940.264

stopper (imblance)

950,006

20.5054

5,10

centrifuge rubber feet motor rubber mount, diam. 30 x 30 mm, 50-55â&#x20AC;? Shore

950.014

26.5034

950.019

26.5057

9,20 10,20

hinge

950.131

38-5597

22,50

lid latch

950.132

274.01 .06.04

22,50

motor rubber mount

950.136

274.01.26.04

21,50

motorcover

950.137

277.01.24.03

67,40

chamber gasket, 1630 mm, grey

950.152

950.152

64,30

injection nozzle

960.003

23.5141

31,70 117,30

solenoid valve, 230 V

960.029

41 .5137

sight glas

960.034

244.00.51.04

6,20

expansion valve

960.051

24-5077

80,60

dryer

960.052

39-5106

106,10

compressor

960.053

41-5178

499,80

condenser with fan

960.054

41-5179

198,90

pressure guard

960.055

23-5149

55,10

starting relay

960.066

960.066

75,50

starting capacitor

95,90

960.075

960.075

power board 230 V for control panel with 2 POB (exchange part)

R913.010

R266.08U10.02

195,90

control panel with 2 POE (exchange part)

R913.013

R271.01.12.02

481,50

page 1 of 2

effective Ol January, 2003 up to 31 Dezember, 2003

spare part list Z513 cQ 0 cl)

Article

—

.Li.I

.9

frequency converter, 120 V with 2 P08

913.004

20-0235

power board for control panel with 1 PCB 120 V/230 V

913.018

HE 134.00.03

15100

frequency converter, 230 V with 2 P08

913.019

20-0238

80890

frequency converter, 120 V with 1 P08

913.021

20-0242

50900

frequency converter, 230 V with 1 PCB

913.034

20-0243

59670 40400

72020

control panel with 1 P08

913.035

271.01.01.02

motor, 230 V / 120 V

923.007

274.08,40.02

39380

housing (for hinge version)

933.029

274.01.13.01

31520 285,60

lid complete (spring hinge version)

933.030

274.01.21.01

fuse 16 AT, 230 V, 5 x 20 mm

940.025

25.0095

510

fuse holder 230 V

940.026

25.0096

16,40

fuse holder 120 V

940.027

25.0098

21.50

fuse 16 AT, 6,3 x 32 mm, 120 V

940.029

25.0100

6,20

cover for fuse holder

940.032

25.0109

7,20

fan, 230 V

940.046

32.0033

54,10 10,20

micro switch “imbalance”

940.069

38.0082

rocker switch “power” vertikal

940.086

38.0202

8,20

fan, 120V

940.158

32-0217

40,80

line filter, 230 V /120 V

940.160

40-0111

lid lock, motor-driven, 230 V for control panel with 2 P08

940.185

250.05 VOl

286.70

lid lock, motor-driven, 120 V for control panel with 2 P08

940.186

250.05 V02

286,70

lid lock, motor-driven, 230 V for control panel with 1 P08

940.187

250.05 V07

278,50

lid lock, motor-driven, 120 V for control panel with 1 P08

940.188

250.05 V08

278,50

imbalance switch

940.190

274.01.02.04

29,60

rotor sensor

940.191

LK137

133,70

contactor

940.192

30-0137

95,90

speed sensor (brown housing)

940.199

32-0220

63,30

fuse set, 230 V (16 AT)

940.213

LK185

fuse set, 120 V (16 AT)

940.214

LK186

6,20

power connection with fuse holder, 230 V

940.217

LK128

73,50 88,80

87,80

5,10

power connection with fuse holder, 230 V

940.218

LK134

imbalance switch, only conecting cable

940.220

LK157

20,40

magnet for speed sensor (without housing)

940.236

44-0047

28,60

940.245

8,20

potientiometer 10K

940.245

micro switches set for motor driven lid lock

940.260

29,60

motor for lid lock 230V

940.261

87,10

motor for lid lock 120V

940.262

speed sensor (white housing)

940.263

87,10 940.263

magnet for speed sensor (with housing)

940.264

940.264

stopper (imblance)

950.006

20.5054

centrifuge rubber feet

950.014

26.5034

9,20

motor rubber mount, diam. 30 x 30 mm, 50-55 Shore

950.019

26.5057

10,20

5,10

hinge

950.131

38-5597

22,50

lid latch

950.132

274.01 .06.04

22,50

motorcover

950.135

274.01.10.04

33,70

motor rubber mount

950.136

274.01.26.04

21,50 64,30

chamber gasket, 1630 mm, grey

950.152

950.152

sight glas

960.034

244.00.51.04

power bc.ard 120 V for control panel with 2 P08 (exchange part) power board 230 V for control panel with 2 P08 iexchange part>

R913.009

R266.08.1 1.02

R913.010

R266.08U10.02

195,90

control panel with 2 P08 (exchange part)

R913.012

P271.01.02.02

441,70

power board for control panel with 1 P08 120 V / 230 V, (exchange part)

R913.018

RHE 134.00.03

115,30

effective 01

page 1 of 2

6,20 200.00

January. 2003

up to 31 Dezember, 2003

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